Independent

Pentagon evacuation live updates: Hazmat situation may have been caused by false alarm, reports say

New York Post

Pentagon lockdown over hazardous materials incident; could be a false alarm

ArlingtonVaFD

Acyn

NewsNation

FurkanGozukara

FOX News

Pentagon locked down after biohazard scent detected

overton_news

Politico

Pentagon Lockdown Hazardous Materials 00958696

SeanParnellASW

Reuters

Fire Officials Report Hazardous Materials Incident Pentagon 2026 06 11

Pentagon locked down and partially evacuated due to a false alarm by hazardous materials sensor, sources say

The Hill

5920045 Pentagon Air Quality Lockdown

CBS News

Pentagon under lockdown for hazmat investigation | Special Report

ABC News

Pentagon lifts lockdown after air quality scare proves to be false alarm

BBC News

Multiple Pentagon floors on lockdown due to 'hazardous materials'

Pentagon Classified Area Reporters 00945550

The Pentagon lifted a partial lockdown Thursday after testing confirmed no hazard existed, with chief spokesman Sean Parnell stating "subsequent testing confirmed no hazard exists, and normal operations have resumed."

The Pentagon lifted a partial lockdown Thursday after testing confirmed no hazard existed, with chief spokesman Sean Parnell stating "subsequent testing confirmed no hazard exists, and normal operations have resumed."

The lockdown was triggered by a malfunctioning sensor that falsely detected the possible presence of anthrax, according to sources familiar with the incident. A source told CNN the sensor system was faulty, causing the false alarm.

The lockdown was triggered by a malfunctioning sensor that falsely detected the possible presence of anthrax, according to sources familiar with the incident. A source told CNN the sensor system was faulty, causing the false alarm.

Corridors four through seven on floors two through five of the Pentagon were locked down, with staff in affected areas ordered to shelter in place and shift in-person meetings to virtual ones, according to CBS News.

Corridors four through seven on floors two through five of the Pentagon were locked down, with staff in affected areas ordered to shelter in place and shift in-person meetings to virtual ones, according to CBS News.

A device detected a biohazard scent in the Pentagon's A-ring, with hazmat teams scrubbing several locations in that area. Officials said there was no indication the incident was nefarious.

Overton

A device detected a biohazard scent in the Pentagon's A-ring, with hazmat teams scrubbing several locations in that area. Officials said there was no indication the incident was nefarious.

Arlington County Fire Department units, including a hazardous materials team, responded to assist the Pentagon Force Protection Agency's hazmat team. Police inside the building were observed wearing gas masks and full chemical protective gear.

Arlington County Fire Department units, including a hazardous materials team, responded to assist the Pentagon Force Protection Agency's hazmat team. Police inside the building were observed wearing gas masks and full chemical protective gear.

The Pentagon's air monitoring system, known as Pentagon Shield, was launched after the Sept. 11, 2001 attacks to detect chemical, biological and radiological threats. It uses contaminant sensors and computer modeling to track dangerous substances throughout the building.

The Pentagon's air monitoring system, known as Pentagon Shield, was launched after the Sept. 11, 2001 attacks to detect chemical, biological and radiological threats. It uses contaminant sensors and computer modeling to track dangerous substances throughout the building.

Pentagon Lockdown Lifted After Faulty Anthrax Sensor Alert

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Pentagon Lockdown Lifted After Faulty Anthrax Sensor Alert

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